US20060192846A1 - Menu generator device and menu generating method for complementing video/audio signals with menu information - Google Patents
Menu generator device and menu generating method for complementing video/audio signals with menu information Download PDFInfo
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- US20060192846A1 US20060192846A1 US10/553,917 US55391705A US2006192846A1 US 20060192846 A1 US20060192846 A1 US 20060192846A1 US 55391705 A US55391705 A US 55391705A US 2006192846 A1 US2006192846 A1 US 2006192846A1
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- 230000001502 supplementing effect Effects 0.000 claims 1
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- 230000015654 memory Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
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Classifications
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- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
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- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
Abstract
Description
- The invention relates to a menu generator device for complementing video/audio signals with menu information, which video/audio signals may possibly be divided into a plurality of sequences.
- The invention further relates to a menu generating method for complementing video/audio signals with menu information, which video/audio signals may possibly be divided into a plurality of sequences.
- The invention further relates to a method of operating a menu data server for supplying menu data when requested by a menu generator device.
- The invention further relates to a device for processing a video/audio signal, which device contains a menu generator device as described in the first paragraph above.
- When a DVD is produced with a DVD recorder, it is known for there automatically to be created a menu that, to represent each video film recorded on the DVD, has as part of the menu a single picture and possibly also the time and the channel or other information, such as the title if this is included in the recording signal.
- However, apart from the information mentioned, the menu does not contain any information that makes it easier for the user to make use of the DVD produced in this way and that might provide him with what is termed metadata, such as details of the content of the video film recorded, on the artists appearing in it, and so on. What is particularly disadvantageous is that, with the menu that is created in this way, individual sequences of a video film that has been recorded on the DVD with the DVD recorder cannot be accessed directly via the menu. Rather, the user has to search manually for the sequences of interest to him.
- In
patent document EP 1 154 433, there is proposed, for radio and television broadcasts recorded by means of a video recorder or the like—referred to in general terms as a recording and/or reproducing device—what is termed an “index on demand” service in which a professional supplier (e.g. the radio station making the broadcasts) offers indexes for the broadcasts, provided with time stamps, for downloading over the internet. To use this service, the user has to log on with the supplier over the internet, with the help of a computer, and can then make a manual search through the indexes offered to find the one he wants. Having found it, he can download it to his computer. To enable the downloaded index actually to be used to allow particular passages in the broadcast that has been recorded to be selected, there has to be a connection between the computer on which the index is stored and the recording and/or reproducing device. Because the interfaces between a computer and a recording and/or reproducing device are not sufficiently standardized, and also because the user is not normally prepared to connect his recording and/or reproducing device to a computer simply to play back recorded broadcasts, the proposed solution is confined in practice to those cases in which the computer is, at the same time, the recording and/or reproducing device. - It is an object of the invention to provide a menu generator device of the kind specified in the first paragraph above, a menu generating method of the kind specified in the second paragraph above, a method of operating a menu data server of the kind specified in the third paragraph above and a device of the kind specified in the fourth paragraph above, in which the disadvantages specified above are avoided.
- To allow the above object to be achieved, provisions according to the invention are made in a menu generator device such that said menu generator device according to the invention can be characterized in the manner specified below, namely:
- A menu generator device for complementing video/audio signals with menu information, which video/audio signals may possibly be divided into a plurality of sequences, comprising read-in means for reading in the video/audio signals, analyzing means for generating video/audio identifying information from the video/audio signals read in, communications means for transmitting the video/audio identifying information to a remote menu data server and for receiving, from the menu data server, menu data assignable to the video/audio identifying information transmitted, and menu generator means for generating menu information from the menu data and for delivering the menu information to be connected with the video/audio signals.
- To enable the above object to be achieved, there are provided in a menu generating method according to the invention features according to the invention such that a menu generating method according to the invention can be characterized in the manner specified below, namely:
- A menu generating method for complementing video/audio signals with menu information, which video/audio signals may possibly be divided into a plurality of sequences, comprising reading in the video/audio signals, analyzing the video/audio signals and generating video/audio identifying information from the video/audio signals read in, transmitting the video/audio identifying information to a remote menu data server and receiving, from the menu data server, menu data assignable to the video/audio identifying information transmitted, generating menu information from the menu data and delivering the menu information to be connected with the video/audio signals.
- To enable the above object to be achieved, there are provided in a method according to the invention of operating a menu data server features according to the invention such that a method according to the invention of operating a menu data server can be characterized in the manner specified below, namely:
- A method of operating a menu data server for supplying menu data when requested by a menu generator device, comprising receiving a request from the menu generator device that contains video/audio identifying information, the video/audio identifying information having been generated by the menu generator device by analyzing video/audio signals read in at the menu generator device, determining, from a menu database that communicates with the menu data server and contains menu data and video/audio identifying information connected therewith, a menu data entry corresponding to the video/audio identifying information received, the determination being performed by comparing the video/audio identifying information received with the video/audio identifying information stored in the database, and transmitting the menu data determined to the menu generator device making the request.
- To enable the above object to be achieved, a device according to the invention is provided with a menu generator device according to the invention.
- What is achieved by the provision of the features according to the invention is that a user is able to provide video/audio signals, of the kind that are for example recorded on a DVD that he has recorded himself, with menu information that makes it possible for him to navigate to individual sequences in the video/audio signals without a tedious search for the given sequence being required for this purpose. The menu information may also comprise background knowledge, comparable to what is offered on commercial DVD's. What is more, it is ensured that the menu information can be connected with the video/audio signals, i.e. can be embedded therein, so that there is no need either for special recording and/or playback devices or for a combination of a computer and a device of this kind as there is in the prior art. An essential advantage of the solution according to the invention also lies in that fact that the video/audio signal identifying information is extracted from the video/audio signals automatically, thus sparing the user the tedious job of searching through extensive index lists manually in the way that is usual in the prior art.
- Under the provisions made in
claims - Under the provisions made in
claims - Under the provisions made in
claims - Under the provisions made in
claims - In a further advantageous embodiment of the invention that is detailed in
claims - As an alternative to this, under
claims - Under the provisions of
claims - Under the provisions of claim 9, the advantage is obtained that, even when there are a plurality of sets of menu data corresponding to the video/audio signals analyzed, a user can intervene manually to select menu data that he personally prefers.
- Under the provisions of claim 24, the advantage is obtained that the supply of menu data may be confined to a defined group of users. In this way, the menu data that is made available can be supplied for a charge, for example by payment by means of credit card or by a subscription system, which in turn increases the interest that media companies, such as radio stations for example, have in making available menu data for the broadcasts made by them, such as for example feature films or documentaries. The large amount of menu data that is made available as a result will in turn increase the acceptance of the system among users.
- The advantages listed above in connection with the menu generator device according to the invention are also obtained with a device according to the invention.
- These and other aspects of the invention are apparent from and will be elucidated with reference to the embodiment shown in
FIG. 1 and described hereinafter, although the invention is not limited to this embodiment. - In the drawings:
-
FIG. 1 is a block circuit diagram of a menu generator device according to the invention that is incorporated in a DVD recorder device. -
FIG. 1 shows a DVD recorder device that has receivingmeans 10 that are able to receive transmission signals TR, in which video/audio signals VA are encoded, via aterrestrial antenna 11, asatellite receiving antenna 12 or acable 13. Also provided is video/audio input decoder 14 for decoding the video/audio signals VA from the transmission signals TR. The video/audio signals VA are fed to a video/audio encoder 15, in which they are converted to a desired format, such as MPEG for example, and are then prepared in a video/audiooutput processing unit 16 for display on amonitor 17 and/or for storage in a video/audio storage means 18. As described up to this point, the items in question may also form parts of a set-top box or a video recording unit, such as a DVD-RW recorder, a hard-disk recorder or a recorder having a semiconductor memory. Hence the video/audio storage means 18 may have optical, magnetic, magneto-optical or semiconductor memories. Also, the DVD recorder device may be in the form of a combination recorder that has both a hard-disk and a writable DVD as storage means, thus enabling menu information to be added when a film is being copied from the hard-disk to the DVD. A combination recorder of this kind may for example take the form of a PC having a built-in hard disk, a DVD-RW station and a network connection. - From the output of the video/
audio input decoder 14, the video/audio signals VA are also fed to amenu generator device 1 according to the invention, that is to say to video/audio read-inmeans 2 and from there to analyzingmeans 3 of themenu generator device 1. Video/audio identifying information VA-ID is generated in the analyzing means 3 from the video/audio signals VA read in and is buffer-stored in the storage means 7 as a link to be used later and/or is passed on to communications means 4. The video/audio identifying information VA-ID may be generated in the analyzing means 3 in a number of different ways. Text contained in the images of the video signals may for example be filtered out of the video signals forming part of the video/audio signals VA and this text may be used as video/audio identifying information VA-ID. In a more technically complicated embodiment, speech recognition means may be used to recognize spoken words contained in the audio signals forming part of the video/audio signals VA and to transcribe them into text that is used as video/audio identifying information VA-ID. In a further embodiment of the analyzing means 3, characteristic video or audio signals from the video/audio signals VA themselves are used as video/audio identifying information VA-ID by, in the case of the video signals for example, representing the waveform of the luminance signal (Y) over time as a graph. This graph can form the video/audio identifying information VA-ID, in which case recourse is had to single pictures or a plurality of connected pictures. A similar approach may also be adopted with the characteristic waveform of the audio signal, which can be represented either as a plot against time or a plot of frequency or a sonogram, in which case this representation can be used as video/audio identifying information VA-ID. In a further embodiment according to the invention of the analyzing means 3, metadata that was transmitted together with the video/audio signals is analyzed. This metadata may be contained as a so-called header in a stream of video/audio signals or data stream that is received via for example thesatellite antenna 12 or thecable link 13. What are generally encoded in this header are items of information such as the title of the broadcast transmitted, the time of transmission, the date of transmission, the radio station making the broadcast, etc., which items of information are extracted by the analyzing means 3 and supplied as video/audio identifying information VA-ID. - The video/audio identifying information VA-ID that is generated by the analyzing means 3 by the method described above is transmitted via the communications means 4 over a
remote data link 8, which may be the internet, to a remotemenu data server 20. Thismenu data server 20 comprises comparator means 21, amenu data database 22 and asubscriber database 23. The comparator means 21 are provided to enable a suitable menu data entry MD to be selected from themenu data database 22, which latter contains a large number of data sets comprising menu data and video/audio identifying information correlated therewith, the comparator means 21 making the selection by comparing the video/audio identifying information VA-ID received with the video/audio identifying information stored in themenu data database 22, in which case the video/audio identifying information may comprise textual information extracted from video/audio signals, characteristic audio information, characteristic video information comprising single pictures or a plurality of successive pictures, or coded broadcaster codes, or time of transmission and date of transmission, etc. As an option, themenu data server 20 may be so configured that access to menu data in themenu data database 22 is permitted or embargoed by reference to user identifiers PID or lists of subscribers that are stored in thesubscriber database 23. The menu data held in store is generally made available by commercial suppliers, such as media companies or radio stations. - The menu data MD that is determined by the
menu data server 20 on receipt of specific video/audio identifying information VA-ID and, where required, after checking an associated user identifier PID, is transmitted to the communications means 4 of themenu generator device 1 that made the request and is passed on by the communications means 4 to menu selecting means 6. This is because the menu data MD may in fact contain information that allows a plurality of different menus suited to the video/audio signals VA to be created, in which case the user can carry out a pre-selection by means of themenu selecting means 6. The menu data MD selected is fed to menu generator means 5 by means of which menu information MI is created by reference to the menu data MD and is set to a format that is compatible with the video/audio encoder 15 and the video/audiooutput processing unit 16. The menu information MI generated is passed by the menu generator means 5 to the video/audio encoder 15, where the video/audio signals VA are correlated with the menu information MI. Where required, the menu generator means 5 also calculate the correlations of individual sequences in the video/audio signals VA with the corresponding start times or entry points, in which case allowance is also made for the length of sections extraneous to the content of interest, which sections are generally ignored in the menu data MD. The menu information MI created is then recorded in this form on the DVD together with the video/audio signals VA. The menu information MI created can be shown on themonitor 17 as an on-screen display (OSD). By means of a remote control IR, it is possible both to navigate in the menu and to control themenu generator device 1 according to the invention. The entire DVD recorder device in which themenu generator device 1 is incorporated may also be controlled with the remote control device IR. - In relation to a DVD recorder device having a
menu generator device 1 incorporated therein, a typical operating procedure looks like this to the user: - The user starts recording a film or some other broadcast.
- While the recording is still talking place, the analysis of the video/audio signals VA received is already underway, the first five to ten minutes of the film or broadcast preferably being examined for one of the technical criteria explained above (text contained, etc.), which is used as video/audio identifying information VA-ID.
- As an alternative to this, provision may be made for the user to have to actively start the analysis, for example by selecting an appropriate menu option in an OSD.
- The analysis having been made, the video/audio identifying information VA-ID determined is buffer-stored for use later on, or is immediately transmitted to the
menu data server 20 and it is the menu data MD that is then received that is buffer-stored. - The recording having been completed, the user is asked, via the OSD, to decide whether a menu is now to be created for the broadcast. If he says “Yes”, the video/audio identifying information VA-ID is then transmitted to the
menu data server 20 and the reception of the menu data MD is awaited or, if the menu data MD had already been received during the recording process, the buffer-stored menu data MD is used to create the menu. The menu that can be created in this way may, like the menus of commercially available DVD's, contain information on the actors, the content of the film, its individual sequences, entry points to the individual sequences, etc. The menu generator means also enable the user to arrange the menu to have graphic appeal, for example by selecting what are called “skins”, i.e. predefined graphic inserts or covers for the viewed area.
Claims (25)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP03101134.9 | 2003-04-24 | ||
EP03101134 | 2003-04-24 | ||
PCT/IB2004/050472 WO2004095456A1 (en) | 2003-04-24 | 2004-04-21 | Menu generator device and menu generating method for complementing video/audio signals with menu information |
Publications (1)
Publication Number | Publication Date |
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US20060192846A1 true US20060192846A1 (en) | 2006-08-31 |
Family
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Family Applications (1)
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US10/553,917 Abandoned US20060192846A1 (en) | 2003-04-24 | 2004-04-21 | Menu generator device and menu generating method for complementing video/audio signals with menu information |
Country Status (5)
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US (1) | US20060192846A1 (en) |
EP (1) | EP1623427A1 (en) |
JP (1) | JP2006527515A (en) |
CN (1) | CN1777953A (en) |
WO (1) | WO2004095456A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060282794A1 (en) * | 2005-06-10 | 2006-12-14 | Ulead Systems, Inc. | Method of generating summary menu for storage medium |
US20110205328A1 (en) * | 2009-08-24 | 2011-08-25 | Hidekatsu Ozeki | Video conferencing system, video conferencing apparatus, video conferencing control method, and video conferencing control program |
US20160378274A1 (en) * | 2015-06-26 | 2016-12-29 | International Business Machines Corporation | Usability improvements for visual interfaces |
US10394421B2 (en) | 2015-06-26 | 2019-08-27 | International Business Machines Corporation | Screen reader improvements |
Families Citing this family (2)
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Also Published As
Publication number | Publication date |
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WO2004095456A1 (en) | 2004-11-04 |
CN1777953A (en) | 2006-05-24 |
EP1623427A1 (en) | 2006-02-08 |
JP2006527515A (en) | 2006-11-30 |
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